<?php
/**
 * Created by PhpStorm.
 * User: LiuJiaJun
 * Date: 2018/11/18
 * Time: 20:51
 */

namespace service\file;

interface File
{

    /**
     * 读取文件
     *
     * @return mixed
     */
    public function read();

    /**
     * 写文件
     *
     * @return mixed
     */
    public function write();

    /**
     * 删除文件
     *
     * @return mixed
     */
    public function delete();
}